10131231111 has 8 divisors (see below), whose sum is σ = 13509417600. Its totient is φ = 6753599352.

The previous prime is 10131231083. The next prime is 10131231127. The reversal of 10131231111 is 11113213101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10131231111 - 2⁷ = 10131230983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10131231191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94011 + ... + 170588.

It is an arithmetic number, because the mean of its divisors is an integer number (1688677200).

Almost surely, 2^10131231111 is an apocalyptic number.

10131231111 is a deficient number, since it is larger than the sum of its proper divisors (3378186489).

10131231111 is a wasteful number, since it uses less digits than its factorization.

10131231111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277365.

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 10131231111 its reverse (11113213101), we get a palindrome (21244444212).

The spelling of 10131231111 in words is "ten billion, one hundred thirty-one million, two hundred thirty-one thousand, one hundred eleven".